lbl_na_if: Set labelled values to missing

View source: R/lbl_helpers.r

lbl_na_ifR Documentation

Set labelled values to missing


Convert values to NA based on their label and value in a labelled vector. Ignores any value that does not have a label.


lbl_na_if(x, .predicate)



A labelled vector


A function that takes .val and .lbl (the values and labels) and returns TRUE or FALSE. It is passed to a function similar to as_function, so also accepts quosure-style lambda functions (that use values .val and .lbl). See examples for more information.


A haven::labelled vector

See Also

Other lbl_helpers: lbl_add(), lbl_clean(), lbl_collapse(), lbl_define(), lbl_relabel(), lbl(), zap_ipums_attributes()


x <- haven::labelled(
  c(10, 10, 11, 20, 30, 99, 30, 10),
  c(Yes = 10, `Yes - Logically Assigned` = 11, No = 20, Maybe = 30, NIU = 99)

lbl_na_if(x, ~.val >= 90)
lbl_na_if(x, ~.lbl %in% c("Maybe"))
lbl_na_if(x, ~.val >= 90 | .lbl %in% c("Maybe"))

# You can also use the more explicit function notation
lbl_na_if(x, function(.val, .lbl) .val >= 90)

# Or even the name of a function
na_function <- function(.val, .lbl) .val >= 90
lbl_na_if(x, "na_function")

ipumsr documentation built on June 7, 2022, 1:07 a.m.